Pollen Allergy Forecast for Portland, OR (97201)

Today

Wednesday

Thursday

Friday

Saturday

Today's Predominant Pollens

Hazelnut

Elm

Juniper

Allergy Forecast Discussion

The amount of pollen in the air for Wednesday will be falling in the low range. This lowering of pollen concentrations is a result of rising relative humidity and relatively weaker winds.

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Allergy Facts

When the body is challenged by an allergen, it releases histamine. Histamine causes the allergy symptoms of a runny nose and itchy eyes. Medications with an anti-histamine prevent histamine from acting upon body tissues, helping to relieve allergy symptoms.